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son4ous [18]
3 years ago
10

Explain why the "X" chromosome expresses more traits than the "y" chromosome.

Physics
1 answer:
wel3 years ago
5 0

Explanation:

The X chromosome (females have 2 of them while males have 1) is five times larger than the Y chromosome and has 10 times the number of genes.

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In electrical engineering, ground or earth is the reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the earth. Electrical circuits may be connected to ground (earth) for several reasons.


5 0
3 years ago
Which two options describe physical properties of matter?
Stolb23 [73]

Answer:

Option A and E

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8 0
3 years ago
A calorimeter is a container that is insulated from the outside, so a negligible amount of energy enters or leaves the container
Len [333]

Answer:

This is a heat balance question with negligible heat losses  to the surroundings.

Sum of heat losses = Sum of the heat gains

We are required to find the final temperature of the calorimeter system T1?

we were given

C = specific heat capacities of Copper c, Water w, Ice i and Lead l

m = masses as mc = 0.1kg, mw = 0.16kg, mi=0.018kg, ml=0.75kg,

T = Temperature of the components, Lead Tl= 225C and at ambient pressure, Temp. To of the water, ice and copper = 25C

Since, at thermal equilibrium after adding the Lead, the lead temperature Tl decreases while copper, water and ice temp decrease, so we have respective heat losses 'q' as,

qc + qw + qi + ql =0

which means that

(mc x Cc x ΔTC) + (mw x Cw x ΔTC) + (mi x Ci x ΔTC) + (ml x Cl x ΔTC) = 0

(0.1x390x (T1 - 25)) + (0.16x4190x (T1 - 25)) + (0.018x4190x (T1 - 0)) + (0.750x130x (T1 - 225)) = 0

882.32T1 - 41558 = 0

T1 = 47.1K

Hence, the final temperature of the calorimeter system is 47.1K

3 0
3 years ago
Jessica's bus ride to school can take between 10 and 25 minutes. This week, it took 12 minutes to get to school on Monday, 20 mi
Mrrafil [7]

Answer:b

Explanation: mathematics

8 0
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When does electricity become hazardous to humans?
svetoff [14.1K]
When u overload the power switch.
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